package main

var x int
var f float32 = 1.6
var s = "abc"
var y, z int
var (
	a int
	b float32
)

func main() {
	x := 123 // 注意检查是定义新局部变量还是修改全局变量
	n, s := 0x1234, "hello world!"
	println(x, s, n)
}
